Home / 12,561.24-18,845.51-3,797.45

Finding the Fourth Proportional to 12,561.24, 18,845.51 and 3,797.45

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Solution

The fourth proportional to 12,561.24, 18,845.51 and 3,797.45 is: 5,697.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,561.24 : 18,845.51 = 3,797.45 : x
  2. Step 2: Convert to fraction form
    12,561.24/18,845.51 = 3,797.45/x
  3. Step 3: Cross multiply
    12,561.24x = 18,845.51 × 3,797.45
  4. Step 4: Simplify right side
    12,561.24x = 71,564,768.73
  5. Step 5: Solve for x
    x = 71,564,768.73/12,561.24
  6. Step 6: Final answer
    x = 5,697.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.